A relationship between of heavy metals and microbiological parameters in surface microlayer and subsurface water of a coastal Baltic lake
PBN-AR
Instytucja
Wydział Matematyczno-Przyrodniczy (Akademia Pomorska w Słupsku)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
HYDROBIOLOGIA
ISSN
0018-8158
EISSN
1573-5117
Wydawca
SPRINGER
DOI
URL
Rok publikacji
2015
Numer zeszytu
Strony od-do
65-80
Numer tomu
762
Identyfikator DOI
Liczba arkuszy
Autorzy
Słowa kluczowe
en
Coastal lake
Neuston
Heavy metals
Chlorophyll
Bacteria
Streszczenia
Język
en
Treść
The present study investigated the relationship between accumulations of heavy metals and the concentration of chlorophyll, as well as the number, secondary production and enzymatic activity of bacteria in the surface microlayer (SML) and subsurface waters of a coastal Baltic lake. Concentration of heavy metals was measured by mass spectrometry, chlorophyll by spectrophotometry, bacteria abundance by DAPI staining, secondary production by 3H-thymidine incorporation into DNA and enzymatic activities using fluorescence-labelled substrate methods. Concentrations of all the analysed heavy metals, chlorophyll, as well as the number of heterotrophic bacteria and the level of enzymatic activity were higher in the SML than in subsurface water. No differences in the total number of bacteria in both the studied layers were noted. The rate of secondary production of planktonic bacteria was found to be higher than that of neustonic bacteria. Seasonal variability was observed in the studied chemical and microbiological parameters. It was found that in SML heavy metal concentrations increased in relation to those in subsurface water. However, this did not reduce the level of chlorophyll, heterotrophic bacteria, or the enzymatic activity. In contrast, increased heavy metal concentrations in SML reduced total number of bacteria and the level of secondary productivity.
Cechy publikacji
Original article
Original article presents the results of original research or experiment.
Oryginalny artykuł naukowy
Oryginalny artykuł naukowy przedstawia rezultaty oryginalnych badań naukowych lub eksperymentu.
Inne
System-identifier
PBN-R:640641
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